Product description: -Dimensions:160(L)x50(W)x28 (H) mm . -Color: Gray and Red. -This pocket size design makes it easy to carry, no matter where you are. -They are used in the general field of lighting,in order to determine the optimum light level for a scene. where they can help to reduce the amount of waste light used in the home, light pollution outdoors, and plant growing to ensure proper light levels. What's in the box : 1 x Digital Light Meter Luxmeter Meter 3x Battery AAA（1.5V） 1 x User Manual 1 x Qualification Certificate NOTE: We offer 12 months warranty, If there any questions or are not satisfied with our Digital Light Meter Luxmeter Meter, please contact our after-sale service team. You will get a satisfied resolution soon.